CN2817005Y - Inorganic insulation flexible fire-retardant cable - Google Patents
Inorganic insulation flexible fire-retardant cable Download PDFInfo
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- CN2817005Y CN2817005Y CNU2005200739448U CN200520073944U CN2817005Y CN 2817005 Y CN2817005 Y CN 2817005Y CN U2005200739448 U CNU2005200739448 U CN U2005200739448U CN 200520073944 U CN200520073944 U CN 200520073944U CN 2817005 Y CN2817005 Y CN 2817005Y
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Abstract
The utility model relates to an inorganic insulation flexible fire-proof cable, which belongs to the technical field of a cable. A twisting copper alloy conductor is provided with six mica belting lapping fire-resistant insulation layers provided with longitudinal coverings and copper alloy pipes which are in butt welding, and the copper alloy pipes are provided with non-screw embossing metal sheathes; anticorrosion sheathes of halogen-free low-smoke polyolefin material are squeezed and wrapped on the outer surfaces of the metal sheathes. The utility model has the advantages of reasonable structure, easy manufacture, good fire-proof performance, good softness, good mechanical property, convenient installation and lying, long service life, strong overload ability, high electricity use safety and reliable and stable operation, and has no radiation or vortex; the utility model can be used for low-voltage distributing lines in movable occasions, such as an emergency generator, an emergency elevator, a fire-fighting pump, etc.; the usage temperature is not limited by the insulation temperature grade; the utility model has no smoke or toxicum, is favorable for people to escape from the fire site and is particularly favorable for fire fighters to extinguish the fire.
Description
Technical field
The utility model relates to a kind of structure of fire-resisting cable, belongs to the cable technology field.
Background technology
Existing fire-resisting cable is by comprising conductor, formation such as insulating barrier and sheath, mainly contain two kinds: a kind of is to adopt the wrapped and plastic insulation of mica band to combine, the cable of this structure is because the fire-resistant intensity difference of using of refractory material, can be divided into A, B two classes, this structural cable great advantage is soft, applicable to mobile occasion, refractory temperature can reach more than 950 ℃, cable production length is unrestricted, technology is easily manufactured, and cost is lower, has good humidity resistance, but this cable is owing to adopted plastic insulation, its serviceability temperature grade limited by insulating material serviceability temperature grade.And organic insulating material burns easily, and meeting evolution of heat during burning causes temperature to increase, and causes fire-resistant band carbonization at last, so, the not anti-mechanical oscillation of this cable; Simultaneously, owing to can not use after the organic insulation partial combustion, this cable can only be done disposable use again.The another kind of copper core mineral insulation seamless copper pipe jacket structure that adopts, the advantage of this cable is: owing to adopted full-inorganic thing structure, it is real non-combustion cable, again because the temperature resistant grade height of mineral, cable serviceability temperature grade can reach 250 ℃, because adopt the seamless copper pipe sheath, real is radially waterproof and dampproof.But it is defectiveness also, and at first it is not suitable for mobile occasion, and the in a single day damaged cable insulation of copper pipe will descend rapidly, and breaking point is difficult to look for, so should not adopt in a large number in the engineering, and to the place that the people often walks about, the epidermis of cable (copper pipe) easily breaks; Secondly, the easy moisture absorption of mineral that this cable adopts, so that cable can not be vertically moistureproof, fluid sealant is adopted in the termination, this has had a strong impact on useful life, and joint will guarantee hermetically sealed, this invisible increase difficulty of construction.Existing fire-resisting cable can not satisfy the required fire prevention of modernization construction, fire-resistant performance requirement, promptly will not cut off the electricity supply when breaking out of fire, reaches purpose of safety again.
The utility model content
The purpose of this utility model is exactly at the existing deficiency of existing fire-resisting cable, by improving from structure and material, provides a kind of and can satisfy the inorganic insulation flexible fire-proof cable that the required fire prevention of modernization construction, fire resistance require.
The purpose of this utility model is to realize like this, the inorganic insulation flexible fire-proof cable, comprise conductor, insulating barrier and sheath, it is characterized in that described conductor is provided with the wrapped refractory insulating layer of the female band of 6 stratus, be provided with the copper alloy tube of indulging bag, butt welding and the metallic sheath that on copper alloy tube, is provided with non-helical embossing on the refractory insulating layer, on metallic sheath, extruding the anticorrosion sheath of low smoke, zero halogen polyolefine material.
Described conductor is stranded copper alloy conductor.Described mica band is the alkali-free glass fiber cloth reinforcement and closes mica paper with organic silicon adhesive and constitute.
The utility model is rational in infrastructure simple, manufactures easily, and fire resistance is good.The female band of wrapped six stratus makes cable possess following characteristics as refractory insulating layer on conductor:
1) cable has excellent mechanical performance, and under the normal temperature, its tensile strength can reach more than the 100MPa, has improved the mechanical strength of cable;
2) cable has high flexibility, owing to adopted soft mica band lapped insulation, is equipped with soft twisted copper conductors again, has increased the flexibility of cable greatly, makes bending radius can reach 5 times of cable radiuses;
3) cable good fire resistance properties, because cable adopts full-inorganic insulation and embossing copper pipe metallic sheath, cable can not burn in flame, therefore do not melt as long as guarantee cable conductor and sheath, cable can use and unlikely destruction continuously for a long time in flame, its refractory temperature can reach more than 950 ℃, and does not reduce its electric property in flame, and makes cable short time overload performance be much higher than similar cable;
4) favorable environment protection energy, because the mica band that adopts does not burn, so can not emit the smog of poisonous gas and contaminated environment, the anticorrosion sheath of low smoke, zero halogen polyolefine material also can not send the smog of poisonous gas and contaminated environment, helps environmental protection;
5) install, lay conveniently, because the mica band is difficult for the moisture absorption, so, can need design complicated joint or terminal as mineral insulated cable, install convenient and swift.
It is sheath that vertical bag, butt welding, embossing copper pipe are set on the refractory insulating layer of cable, has further improved the serviceability of cable:
1) further improved cable and used good humidity resistance,, made cable have well radially water resistance because copper sheath has carried out butt welding, same, because having made non-helical embossing, handles copper sheath, make cable have good vertical water resistance;
2) environmental protection because what adopt is the anticorrosion sheath of copper alloy as metallic sheath and low smoke, zero halogen polyolefine material, has guaranteed not contain hazardous substance from the inside to surface, needn't consider in the use that cable can separate out pernicious gas or material and influence surrounding environment;
3) guaranteed the softness of cable,, improved the flexibility of cable greatly because the cable copper sheath adopts the embossing structure;
4) improved the fire resistance of cable, because copper do not burn, can the evolution of heat and cause improving the whole cable temperature, thus improved the fire resistance of cable.
The utility model also has following characteristics:
1) fire prevention, fire-resistant, anti-high damp-warm syndrome, copper sheath, its fusing point of copper core are 1083 ℃, inorganic matter mica banding insulation material refractory temperature is also very high, so cable has very strong fire prevention, fire resistance, be used on the low-voltage distributing line of emergency generator, Fire lift and fire pump, can be putting out a fire to save life and property of fire fighter's fire and gain time and give security;
2) good mechanical property is installed and to be laid conveniently, need not extra contacts or terminal because the cloud band is nonhygroscopic, need not to guarantee hermetically sealed, long service life;
3) fire prevention, waterproof, decay resistance height.By copper pipe embossing, the parts that make cable all are screwed connection, any moisture, flame all can't access arrangement and cable in.Copper sheath itself just has good antiseptic property, and cable need not the sleeving plastic sheath in civil buildings.Copper sheath is a seamless copper pipe by butt welding, even but being immersed in also long-term safety fault-free energising operation in the water, the metallic sheath outer surface extrudes the anticorrosion sheath of one deck low smoke, zero halogen polyolefine material again, makes cable further improve waterproof and decay resistance;
4) radiationless, no eddy current, overload capacity are strong, and the electrical safety height is reliable, stable;
5) owing to mica band softness, and copper sheath embossing, the cable flexibility is good, can be used for mobile occasion;
6) owing to adopt the full-inorganic insulation, the cable serviceability temperature temperature grade that do not insulated limits;
7) smokeless, the nontoxic people of helping withdraw the scene of fire, more help the fire fighter and put out a fire to save life and property.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Among the figure: 1 conductor, 2 insulating barriers, 3 metallic sheaths, 4 anticorrosion sheaths.
Embodiment
On electric conductivity good real core copper alloy wire or copper alloy twisted bundles conductor 1, wrapped six layers of mica banding insulation layer 2 that adopts the alkali-free glass fiber cloth reinforcement, closes the mica paper formation with organic silicon adhesive, vertical bag, butt welding copper alloy tube are set on mica band lapped insulation layer 2, and the metallic sheath 3 of non-helical embossing is set on copper alloy tube, extrude the anticorrosion sheath 4 of low smoke, zero halogen polyolefine material at the outer surface of metallic sheath 3.
Claims (3)
1, a kind of inorganic insulation flexible fire-proof cable, comprise conductor, insulating barrier and sheath, it is characterized in that described conductor is provided with the wrapped refractory insulating layer of the female band of 6 stratus, be provided with the copper alloy tube of indulging bag, butt welding and the metallic sheath that on copper alloy tube, is provided with non-helical embossing on the refractory insulating layer, on metallic sheath, extruding the anticorrosion sheath of low smoke, zero halogen polyolefine material.
2, inorganic insulation flexible fire-proof cable according to claim 1 is characterized in that described conductor is stranded copper alloy conductor.
3, inorganic insulation flexible fire-proof cable according to claim 1 is characterized in that described mica band is the alkali-free glass fiber cloth reinforcement and closes mica paper with organic silicon adhesive and constitute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200739448U CN2817005Y (en) | 2005-07-23 | 2005-07-23 | Inorganic insulation flexible fire-retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200739448U CN2817005Y (en) | 2005-07-23 | 2005-07-23 | Inorganic insulation flexible fire-retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2817005Y true CN2817005Y (en) | 2006-09-13 |
Family
ID=36996814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200739448U Expired - Fee Related CN2817005Y (en) | 2005-07-23 | 2005-07-23 | Inorganic insulation flexible fire-retardant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2817005Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157241A (en) * | 2011-04-08 | 2011-08-17 | 无锡市沪安电线电缆有限公司 | High-temperature resistant fireproof cable with high flexibility |
| CN102280170A (en) * | 2011-05-26 | 2011-12-14 | 江苏豪威富电气股份有限公司 | High temperature resistance and radiation resistance magnet wire used in nuclear power units |
| CN102376386A (en) * | 2010-08-11 | 2012-03-14 | 徐静 | Fire-resisting cable |
| US8816206B2 (en) | 2006-12-15 | 2014-08-26 | Abb Technology Ltd. | Electric power cable, an off-shore installation provided therewith, and use thereof |
| CN104103367A (en) * | 2013-04-10 | 2014-10-15 | 江苏远红电缆有限公司 | Novel flame-resistant cable |
| CN105575528A (en) * | 2015-12-30 | 2016-05-11 | 合肥星辰电线电缆股份有限公司 | Motor winding wire for electric vehicle |
| CN107949085A (en) * | 2017-11-29 | 2018-04-20 | 曹结宾 | A kind of soft type heating cable |
-
2005
- 2005-07-23 CN CNU2005200739448U patent/CN2817005Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8816206B2 (en) | 2006-12-15 | 2014-08-26 | Abb Technology Ltd. | Electric power cable, an off-shore installation provided therewith, and use thereof |
| CN102376386A (en) * | 2010-08-11 | 2012-03-14 | 徐静 | Fire-resisting cable |
| CN102157241A (en) * | 2011-04-08 | 2011-08-17 | 无锡市沪安电线电缆有限公司 | High-temperature resistant fireproof cable with high flexibility |
| CN102280170A (en) * | 2011-05-26 | 2011-12-14 | 江苏豪威富电气股份有限公司 | High temperature resistance and radiation resistance magnet wire used in nuclear power units |
| CN104103367A (en) * | 2013-04-10 | 2014-10-15 | 江苏远红电缆有限公司 | Novel flame-resistant cable |
| CN105575528A (en) * | 2015-12-30 | 2016-05-11 | 合肥星辰电线电缆股份有限公司 | Motor winding wire for electric vehicle |
| CN107949085A (en) * | 2017-11-29 | 2018-04-20 | 曹结宾 | A kind of soft type heating cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060913 Termination date: 20100723 |